Interference effect as resonance killer of newly observed charmoniumlike states Y(4320) and Y(4390)

B. Aubert et al., [BaBar Collaboration], Observation of a broad structure in the $$\pi ^+ \pi ^- J/\psi $$ π + π - J / ψ mass spectrum around 4.26 GeV/c $$^2$$ 2 . Phys. Rev. Lett. 95, 142001 (2005)

C.Z. Yuan et al., [Belle Collaboration], Measurement of $$e^+ e^-\rightarrow \pi ^+ \pi ^- J/\psi $$ e + e - → π + π - J / ψ cross-section via initial state radiation at Belle. Phys. Rev. Lett. 99, 182004 (2007)

B. Aubert et al., [BaBar Collaboration], Evidence of a broad structure at an invariant mass of 4.32 GeV $$/c^{2}$$ / c 2 in the reaction $$e^{+} e^{-} \rightarrow \pi ^{+} \pi ^{-} \psi (2S)$$ e + e - → π + π - ψ ( 2 S ) measured at BaBar. Phys. Rev. Lett. 98, 212001 (2007)

X.L. Wang et al., [Belle Collaboration], Observation of Two Resonant Structures in $$e^+e^- \rightarrow \pi ^+ \pi ^- \psi (2S)$$ e + e - → π + π - ψ ( 2 S ) via Initial State Radiation at Belle. Phys. Rev. Lett. 99, 142002 (2007)

G. Pakhlova et al., [Belle Collaboration], Observation of a near-threshold enhancement in the $$e^+e^- \rightarrow \Lambda ^+_c \Lambda ^-_c$$ e + e - → Λ c + Λ c - cross section using initial-state radiation. Phys. Rev. Lett. 101, 172001 (2008)

X. Liu, An overview of $$XYZ$$ XYZ new particles. Chin. Sci. Bull. 59, 3815 (2014)

H.X. Chen, W. Chen, X. Liu, S.L. Zhu, The hidden-charm pentaquark and tetraquark states. Phys. Rep. 639, 1 (2016)

M. Ablikim et al., [BESIII Collaboration], Precise measurement of the $$e^+e^-\rightarrow \pi ^+\pi ^-J/\psi $$ e + e - → π + π - J / ψ cross section at center-of-mass energies from 3.77 to 4.60 GeV. Phys. Rev. Lett. 118, 092001 (2017)

M. Ablikim et al., [BESIII Collaboration], Evidence of two resonant structures in $$e^+ e^- \rightarrow \pi ^+ \pi ^- h_c$$ e + e - → π + π - h c . Phys. Rev. Lett. 118, 092002 (2017)

D.Y. Chen, J. He, X. Liu, Phys. Rev. D 83, 054021 (2011). https://doi.org/10.1103/PhysRevD.83.054021 . arXiv:1012.5362 [hep-ph]

H. Albrecht et al., [ARGUS Collaboration], Phys. Lett. B 241, 278 (1990). https://doi.org/10.1016/0370-2693(90)91293-K

Z.Q. Liu et al., [Belle Collaboration], Study of $$e^+e^- \rightarrow \pi ^+\pi ^- J/\psi $$ e + e - → π + π - J / ψ and observation of a charged charmonium like state at Belle. Phys. Rev. Lett. 110, 252002 (2013)

C. Patrignani et al., [Particle Data Group], Review of particle physics. Chin. Phys. C 40, 100001 (2016)

M. Ablikim et al., [BESIII Collaboration], Study of $$e^+e^-\rightarrow \omega \chi _{cJ}$$ e + e - → ω χ cJ at center-of-mass energies from 4.21 to 4.42 GeV. Phys. Rev. Lett. 114, 092003 (2015). arXiv:1410.6538 [hep-ex]

D.Y. Chen, X. Liu, T. Matsuki, Observation of $$e^+e^-\rightarrow \chi _{c0}\omega $$ e + e - → χ c 0 ω and missing higher charmonium $$\psi (4S)$$ ψ ( 4 S ) . Phys. Rev. D 91, 094023 (2015)

D.Y. Chen, X. Liu, T. Matsuki, Search for missing $$\psi (4S)$$ ψ ( 4 S ) in the $$e^+e^-\rightarrow \pi ^+\pi ^-\psi (2S)$$ e + e - → π + π - ψ ( 2 S ) process. Phys. Rev. D 93, 034028 (2016)

X.L. Wang et al., [Belle Collaboration], Measurement of $$e^+e^- \rightarrow \pi ^+\pi ^-\psi (2S)$$ e + e - → π + π - ψ ( 2 S ) via initial state radiation at Belle. Phys. Rev. D 91, 112007 (2015). arXiv:1410.7641 [hep-ex]

M. Ablikim et al., [BESIII Collaboration], Observation of a charged charmonium like structure $$Z_c$$ Z c (4020) and search for the $$Z_c$$ Z c (3900) in $$e^+e^- \rightarrow \pi ^+\pi ^-h_c$$ e + e - → π + π - h c . Phys. Rev. Lett. 111, 242001 (2013). arXiv:1309.1896 [hep-ex]

Y.B. Dong, Y.W. Yu, Z.Y. Zhang, P.N. Shen, Leptonic decay of charmonium. Phys. Rev. D 49, 1642 (1994)

B.Q. Li, K.T. Chao, Higher charmonia and $$X, Y, Z$$ X , Y , Z states with screened potential. Phys. Rev. D 79, 094004 (2009)

L.P. He, D.Y. Chen, X. Liu, T. Matsuki, Prediction of a missing higher charmonium around 4.26 GeV in $$J/\psi $$ J / ψ family. Eur. Phys. J. C 74, 3208 (2014)

C.-Z. Yuan, for the BESIII Collaboration, $$e^+e^-$$ e + e - annihilation cross section measurements at BESIII. Talk at the 10th Workshop of the France China Particle Physics Laboratory